went to Ishmael’s clan and chose a woman named Mahalath to be one of his wives. She was the daughter of Ishmael, Abraham’s son, and sister of Nebaioth.
Esau chose three wives from among Canaanite women: Adah (daughter of Elon the Hittite), Oholibamah (daughter of Anah son of Zibeon the Hivite ), and Basemath (Ishmael’s daughter, sister of Nebaioth).